Type locality: Dadun, a town between Toksun County and Turpan City, Xinjiang Uygur Autonomous Region, Western China.

Reproduction

Types

Holotype: CIB 97954

Diagnosis

Comment

C. dadunense differs from congeners in China and adjacent countries by the combination of nostril bordered by rostral, first supralabial, one supranasal, and two subequal postnasals; dorsal tubercles arranged in regular longitudinal rows; 23–26 ventral scales across mid-abdomen; 97–108 scales along the ventrum of body from postmental to cloaca; 18–22 subdigital lamella beneath fourth toe; 8–10 precloacal pores in males; caudal tubercles broadly in contact laterally with each other; a single row of transversally enlarged subcaudals; dorsal bands in waving shape, much thinner than interspaces